διαφυλάσσειν
From LSJ
ἐξ ὀνύχων λέοντα τεκμαίρεσθαι → judge by the claws, judge by a slight but characteristic mark, small traits give the clue to the character of a person, deduce something from a small indication, identify a lion from its claws
Greek > English (Woodhouse Verbs Reversed)
(see also διαφυλάσσω): guard, keep, maintain, observe, preserve, protect, comply with